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[PATCH 062/104] virtiofsd: Handle hard reboot
From: |
Dr. David Alan Gilbert (git) |
Subject: |
[PATCH 062/104] virtiofsd: Handle hard reboot |
Date: |
Thu, 12 Dec 2019 16:38:22 +0000 |
From: "Dr. David Alan Gilbert" <address@hidden>
Handle a
mount
hard reboot (without unmount)
mount
we get another 'init' which FUSE doesn't normally expect.
Signed-off-by: Dr. David Alan Gilbert <address@hidden>
---
tools/virtiofsd/fuse_lowlevel.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/tools/virtiofsd/fuse_lowlevel.c b/tools/virtiofsd/fuse_lowlevel.c
index 2d1d1a2e59..45125ef66a 100644
--- a/tools/virtiofsd/fuse_lowlevel.c
+++ b/tools/virtiofsd/fuse_lowlevel.c
@@ -2436,7 +2436,21 @@ void fuse_session_process_buf_int(struct fuse_session
*se,
goto reply_err;
}
} else if (in->opcode == FUSE_INIT || in->opcode == CUSE_INIT) {
- goto reply_err;
+ if (fuse_lowlevel_is_virtio(se)) {
+ /*
+ * TODO: This is after a hard reboot typically, we need to do
+ * a destroy, but we can't reply to this request yet so
+ * we can't use do_destroy
+ */
+ fuse_log(FUSE_LOG_DEBUG, "%s: reinit\n", __func__);
+ se->got_destroy = 1;
+ se->got_init = 0;
+ if (se->op.destroy) {
+ se->op.destroy(se->userdata);
+ }
+ } else {
+ goto reply_err;
+ }
}
err = EACCES;
--
2.23.0
- [PATCH 052/104] virtiofsd: cap-ng helpers, (continued)
- [PATCH 052/104] virtiofsd: cap-ng helpers, Dr. David Alan Gilbert (git), 2019/12/12
- [PATCH 053/104] virtiofsd: Drop CAP_FSETID if client asked for it, Dr. David Alan Gilbert (git), 2019/12/12
- [PATCH 054/104] virtiofsd: set maximum RLIMIT_NOFILE limit, Dr. David Alan Gilbert (git), 2019/12/12
- [PATCH 057/104] virtiofsd: add --syslog command-line option, Dr. David Alan Gilbert (git), 2019/12/12
- [PATCH 055/104] virtiofsd: fix libfuse information leaks, Dr. David Alan Gilbert (git), 2019/12/12
- [PATCH 056/104] virtiofsd: add security guide document, Dr. David Alan Gilbert (git), 2019/12/12
- [PATCH 059/104] virtiofsd: Add ID to the log with FUSE_LOG_DEBUG level, Dr. David Alan Gilbert (git), 2019/12/12
- [PATCH 060/104] virtiofsd: Add timestamp to the log with FUSE_LOG_DEBUG level, Dr. David Alan Gilbert (git), 2019/12/12
- [PATCH 058/104] virtiofsd: print log only when priority is high enough, Dr. David Alan Gilbert (git), 2019/12/12
- [PATCH 061/104] virtiofsd: Handle reinit, Dr. David Alan Gilbert (git), 2019/12/12
- [PATCH 062/104] virtiofsd: Handle hard reboot,
Dr. David Alan Gilbert (git) <=
- [PATCH 063/104] virtiofsd: Kill threads when queues are stopped, Dr. David Alan Gilbert (git), 2019/12/12
- [PATCH 064/104] vhost-user: Print unexpected slave message types, Dr. David Alan Gilbert (git), 2019/12/12
- [PATCH 065/104] contrib/libvhost-user: Protect slave fd with mutex, Dr. David Alan Gilbert (git), 2019/12/12
- [PATCH 066/104] virtiofsd: passthrough_ll: add renameat2 support, Dr. David Alan Gilbert (git), 2019/12/12
- [PATCH 067/104] virtiofsd: passthrough_ll: disable readdirplus on cache=never, Dr. David Alan Gilbert (git), 2019/12/12
- [PATCH 068/104] virtiofsd: passthrough_ll: control readdirplus, Dr. David Alan Gilbert (git), 2019/12/12
- [PATCH 069/104] virtiofsd: rename unref_inode() to unref_inode_lolocked(), Dr. David Alan Gilbert (git), 2019/12/12
- [PATCH 070/104] virtiofsd: fail when parent inode isn't known in lo_do_lookup(), Dr. David Alan Gilbert (git), 2019/12/12
- [PATCH 072/104] virtiofsd: passthrough_ll: fix refcounting on remove/rename, Dr. David Alan Gilbert (git), 2019/12/12
- [PATCH 071/104] virtiofsd: extract root inode init into setup_root(), Dr. David Alan Gilbert (git), 2019/12/12